diff --git a/models/deal.py b/models/deal.py
index a5eab4f..442f6f2 100644
--- a/models/deal.py
+++ b/models/deal.py
@@ -33,8 +33,8 @@ class Deal(BaseModel):
     is_deleted = Column(Boolean, nullable=False, server_default='0', default=False, comment='Удалена')
     is_completed = Column(Boolean, nullable=False, server_default='0', default=False, comment='Завершена')
 
-    services = relationship('DealService', back_populates='deal')
-    products = relationship('DealProduct', back_populates='deal')
+    services = relationship('DealService', back_populates='deal', cascade="all, delete-orphan")
+    products = relationship('DealProduct', back_populates='deal', cascade="all, delete-orphan")
 
     # TODO remake with sequence
     lexorank = Column(String, nullable=False, comment='Lexorank', index=True)